Patents by Inventor Jurgen Schramm

Jurgen Schramm has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4194005
    Abstract: 4-Cyano-4'-[N-(N'-substituted-benzoyl)-ureido]-diphenyl ethers of the formula ##STR1## in which R.sup.1 represents halogen or alkyl,R.sup.2 represents chlorine, bromine or hydrogen,R.sup.3 represents bromine or hydrogen, andn represents 1, 2, 3, 4 or 5,which possess arthropodicidal properties.
    Type: Grant
    Filed: July 27, 1977
    Date of Patent: March 18, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Erich Klauke, Jurgen Schramm, Ingeborg Hammann, Wilhelm Stendel
  • Patent number: 4123449
    Abstract: 4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula ##STR1## in which R is chlorine, fluorine or methyl,R' is hydrogen, chlorine or fluorine, andR" and R'" are identical and are each hydrogen or chlorine, but if R is chlorine and R' is hydrogen, R" and R'" can only be hydrogen,Which possess insecticidal properties.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: October 31, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Jurgen Schramm, Erich Klauke, Ingeborg Hammann, Wilhelm Stendel
  • Patent number: 4104313
    Abstract: Halogenated 4-trifluoromethyl-4'-nitro-diphenyl-ether compounds of the formula ##STR1## in which R is halogen or methylthio, andX is hydrogen or chlorine,Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: August 1, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4087272
    Abstract: 4-(3-Trifluoromethylphenoxy)-phenylurea compounds of the formula ##STR1## wherein R is hydrogen or methyl,Exhibit powerful herbicidal properties.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: May 2, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4080193
    Abstract: New (trifluoromethylphenoxy)-phenylureas of the formula: ##STR1## wherein R is hydrogen or methyl andn and m, which may be identical or different, are each 0, 1, 2, 3 or 4, but only n and m may be 0 if the trifluoromethyl group is in the 3-positionAnd have strong herbicidal properties.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: March 21, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4072500
    Abstract: Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkythio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: February 7, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4068002
    Abstract: 2',4-Dichloro-4'-benzoylureido-diphenyl ethers of the formula ##STR1## in which R is chlorine, fluorine, bromine or methyl, andR' is hydrogen or chlorine,Which possess insecticidal properties.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: January 10, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Jurgen Schramm, Erich Klauke, Ingeborg Hammann, Wilhelm Stendel
  • Patent number: 4064267
    Abstract: 2',3,6'-Trichloro-4-cyano-4'-[N-(N'-o-substituted-benzoyl))-ureido]-dipheny l ethers of the formula ##STR1## in which R represents chlorine, fluorine, bromine or methyl, which possess insecticidal properties.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: December 20, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Jurgen Schramm, Erich Klauke, Ingeborg Hammann, Wihelm Stendel
  • Patent number: 4041177
    Abstract: 4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula ##STR1## in which R is chlorine, fluorine or methyl,R' is hydrogen, chlorine or fluorine, andR" and R'" are identical and are each hydrogen or chlorine, but if R is chlorine and R' is hydrogen, R" and R'" can only be hydrogen.Which possess insecticidal properties.
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: August 9, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Jurgen Schramm, Erich Klauke, Ingeborg Hammann, Wilhelm Stendel
  • Patent number: 4023958
    Abstract: Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: May 17, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4017564
    Abstract: The invention relates to a process for the production of allyl or methallyl phosphonic acid dialkyl esters by reacting allyl chloride or methallyl chloride with trialkyl phosphites at temperatures of from 80.degree. to 160.degree. C in the presence of a compound of avalent and/or monovalent nickel or in the presence of a compound of avalent, monovalent or divalent cobalt.
    Type: Grant
    Filed: August 26, 1975
    Date of Patent: April 12, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Arend, Heinz Schaffner, Jurgen Schramm
  • Patent number: 4017300
    Abstract: Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: April 12, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4012666
    Abstract: A method of and apparatus for removing electrostatic charges from an insulating foil by moving the foil between first and second gas plasma generators including a novel arrangement of electrodes that produce uniform glow discharges in air adjacent the electrodes and the foil.
    Type: Grant
    Filed: June 28, 1973
    Date of Patent: March 15, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Jurgen Schramm, Klaus Witter, Gerhard Krekow
  • Patent number: 4005223
    Abstract: 2-Chloro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the formula ##STR1## in which R.sup.1 is fluorine, chlorine, bromine or methyl,R.sup.2 is hydrogen, fluorine or chlorine,R.sup.3 is hydrogen or chlorine,R.sup.4 is hydrogen, chlorine or methyl,R.sup.5 is hydrogen or chlorine, andR.sup.6 is nitro or trifluoromethyl.Which possess insecticidal properties.
    Type: Grant
    Filed: February 3, 1976
    Date of Patent: January 25, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Jurgen Schramm, Erich Klauke, Ingeborg Hammann
  • Patent number: 3992553
    Abstract: Benzoylureido-diphenyl ethers of the formula ##SPC1##In whichOne of R and R' is hydrogen and the other is chlorine, andR" is nitro or cyano,Which possess insecticidal properties.
    Type: Grant
    Filed: July 24, 1975
    Date of Patent: November 16, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Ingeborg Hammann, Wilhelm Stendel, Jurgen Schramm
  • Patent number: 3957865
    Abstract: Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##SPC1##In whichR.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: June 26, 1974
    Date of Patent: May 18, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 3957734
    Abstract: The invention relates to high molecular weight polycaprolactams containing monomeric units of the general formulae (I) and (II): ##EQU1## in which: M is an alkali metal; andR is an alkylene radical having from 4 to 12 carbon atoms or the radical, ##SPC1##Where M is as defined above,The polymer having a relative solution viscosity of from 1.1 to 3.5 (as measured on solutions of 1 g of polyamide in 100 ml of m-cresol at 25.degree.C) and containing sulphonate groups in a concentration range of from 40 to 2000 mval per kilogram of polymer.
    Type: Grant
    Filed: August 7, 1974
    Date of Patent: May 18, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eduard Radlmann, Jurgen Schramm, Gunther Nischk
  • Patent number: 3954829
    Abstract: Halogenated 4-trifluoromethyl-4'-cyano-diphenyl-ether compounds of the formula ##SPC1##In whichR is hydrogen, halogen, alkyl of from 1 to 4 carbon atoms, alkoxy of from 1 to 4 carbon atoms or alkylthio of from 1 to 4 carbon atoms,Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: June 26, 1974
    Date of Patent: May 4, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 3953681
    Abstract: Combined recording and scanning device for facsimile transmission in which recording is effected by means of an electrode system which comprises strip-shaped conductors the facing ends of which define a gap and a bore which extend at right angles to the conductors and is formed in a subjacent transparent insulating sheet and beneath which a back-electrode is disposed at a small distance. The scanning member is an electro-optical receiver which is placed on the electrode gap in the direction of the bore axis.
    Type: Grant
    Filed: July 2, 1974
    Date of Patent: April 27, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Jurgen Schramm, Gerhard Krekow
  • Patent number: 3950311
    Abstract: This invention relates to a process for the preparation of a polycaprolactam which can be dyed with basic dyes and worked up from the melt to form products such as fibers or foils. The polycaprolactams contain structural elements of the formulae ##SPC1##WhereinM denotes an alkali metal andR denotes an alkylene group containing 4 - 12 carbon atoms.The process of the production of the polycaprolactams comprises precondensing the alkali metal salt of a dialkyl ester of 5-sulphoisophthalic acid in aqueous solution with an excess of hexamethylene diamine and adding caprolactam and an equivalent quantity based on the hexamethylene diamine excess of an aliphatic dicarboxylic acid to the resulting aqueous precondensate and polycondensing the mixture.
    Type: Grant
    Filed: March 8, 1974
    Date of Patent: April 13, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Eduard Radlmann, Jurgen Schramm, Gunter Nischk